TECHNICAL SERVICE BULLETIN: TRANSMISSION FLUID APPLICATION GUIDE - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin area. This bulletin provides information relating to the correct transmission fluid type and fill quantity requirement for each Kia model. A flush is required ONLY when a transmission is replaced, and the transmission oil cooler is transferred to the new transmission.
full bulletin at NHTSA ↗2019 Kia Sedona powertrain problems
moderate 4 complaints filed with NHTSA · avg repair $2,500 · see powertrain across all vehicles →
When does it fail?
Of the 4 powertrain complaints filed for the 2019 Kia Sedona, here's the actual mileage breakdown — failures cluster heaviest at 0-25,000 mi.
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
No new NHTSA powertrain complaint has been filed on this vehicle in over 5 years — the issue may be aging out of the active population.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering powertrain on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
This bulletin provides information relating to the correct transmission fluid type and fill quantity requirement for each Kia model. A flush is required ONLY when a transmission is replaced.
full bulletin at NHTSA ↗TECHNICAL SERVICE BULLETIN: TRANSMISSION FLUID APPLICATION GUIDE - This bulletin provides information relating to the correct transmission fluid type and fill quantity requirement for each Kia model. A flush is required ONLY when a transmission is replaced, refer to applicable vehicles in the chart starting on page 2.
full bulletin at NHTSA ↗TECHNICAL SERVICE BULLETIN: - TRANSMISSION FLUID APPLICATION GUIDE - This bulletin has been revised to include additional information. This bulletin provides information relating to the correct transmission fluid type and fill quantity requirement for each Kia model. A flush is required ONLY when a transmission is replaced, refer to applicable vehicles on page 2. Refer to the shop manual on KGIS for the specific Kia model for the correct transmission fluid check/fill procedures.
full bulletin at NHTSA ↗TSB: SERVICE ACTION: 3.3L GDI 8AT TCU LOGIC IMPROVEMENT FOR DTC P0741(SA387) - This bulletin has been revised to include additional information. This bulletin provides the procedure to improve the logic of the Transmission Control Unit (TCU) software on some 2019MY Sorento (UMa) vehicles produced from January 24, 2018 through March 26, 2019, and Sedona (YP) produced from February 14, 2018 through October 15, 2018, which may experience a malfunction indicator lamp (MIL) ON with DTC P0741.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 4 most recent
Tl* the contact owns a 2019 Kia sedona. The contact stated that while driving at various speeds, the vehicle jerked or hesitated without warning, with the accelerator pedal depressed. The contact also stated that the vehicle would perform hard downshifts without warning while depressing the brake pedal. The contact took the vehicle to hagerstown Kia (10307 auto pl, hagerstown, md 21740) where a…
Tl* the contact owns a 2019 Kia sedona. While driving 10 MPH, the vehicle lunged forward without warning. On another occasion, when depressing the accelerator pedal, the vehicle failed to accelerate and, at times, the rpms increased to 4,000. An abnormal noise was also heard during the failure. The vehicle was taken to murray Kia (located at 1402 ridge pike, conshohocken, pa 19428, (610)…
Tl* the contact owns a 2019 Kia sedona. The contact stated that while attempting to accelerate to pass another vehicle, the vehicle loss power and sputtered and jerked. The contact pulled over, restarted the vehicle, and drove to his residence. The vehicle was taken to pitre Kia (9640 eagle ranch rd. Northwest albuquerque, nm 87114, 877-468-0639) to be diagnosed. The mechanic was unable to…
Something is wrong with my engine or transmission whichever which one it is I do not know I've taken it to the dealer 5 or more times they cannot duplicate the problem or the or they say it's operating as assigned how's the car operating as designed when the vehicle soon as you push the accelerator at bucks it jerks it hesitates to go and that one that goes it takes offit also does the same thing…
Common questions
How serious is the powertrain problem on the 2019 Kia Sedona?
It's a documented issue but not catastrophic. 4 complaints have been filed. Repairs average $2,500 and most owners catch it before it causes a breakdown.
At what mileage does the powertrain typically fail?
Based on the 4 complaints filed, powertrain issues most often appear around 5,000 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
What does it cost to fix?
Independent shops typically charge around $2,500 for powertrain repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to powertrain?
No active recalls currently cover powertrain issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.